ff_gen_search: fix infinite loop
Fixes Ticket2639 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -1778,7 +1778,7 @@ int64_t ff_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts,
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pos_max = FFMAX(0, pos_max - step);
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ts_max = ff_read_timestamp(s, stream_index, &pos_max, limit, read_timestamp);
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step += step;
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}while(ts_max == AV_NOPTS_VALUE && pos_max > 0);
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}while(ts_max == AV_NOPTS_VALUE && 2*limit > step);
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if (ts_max == AV_NOPTS_VALUE)
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return -1;
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